Do You Like Rachel Bilson Better As a Brunette or a Blonde?

Before you freak out about Rachel's new dye job, you can relax. It's just a wig she's wearing on the set of her forthcoming movie, New York, I Love You. It sure does seem to suit her creamy skin though, doesn't it? Do you think she could pull off a real blond hair color, or should she stay a brunette?